package com.framework.http;

import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.util.List;
import java.util.Map;

public class HttpRequest {
    /**
     * 向指定URL发送GET方法的请求
     *
     * @param url
     *            发送请求的URL
     * @param param
     *            请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return URL 所代表远程资源的响应结果
     */
    public static String sendGet(String url, String param) {
        String result = "";
        BufferedReader in = null;
        try {
            String urlNameString = url + "?" + param;
            URL realUrl = new URL(urlNameString);
            // 打开和URL之间的连接
            URLConnection connection = realUrl.openConnection();
            // 设置通用的请求属性
            connection.setRequestProperty("accept", "*/*");
            connection.setRequestProperty("connection", "Keep-Alive");
            connection.setRequestProperty("user-agent","Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            // 建立实际的连接
            connection.connect();
            // 获取所有响应头字段
            Map<String, List<String>> map = connection.getHeaderFields();
            // 遍历所有的响应头字段
            for (String key : map.keySet()) {
                System.out.println(key + "--->" + map.get(key));
            }
            // 定义 BufferedReader输入流来读取URL的响应
            in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            System.out.println("发送GET请求出现异常！" + e);
            e.printStackTrace();
        }
        // 使用finally块来关闭输入流
        finally {
            try {
                if (in != null) {
                    in.close();
                }
            } catch (Exception e2) {
                e2.printStackTrace();
            }
        }
        return result;
    }
    public static String sentPost(String url,String parameters){
        String result = null;
        DefaultHttpClient httpclient = new DefaultHttpClient();

        try {
            HttpPost e = new HttpPost(url);
            if(e != null & parameters != null && !"".equals(parameters.trim())) {
                e.setHeader("Content-Type", "application/json;charset=UTF-8");
                e.setHeader("Accept", "application/json");
                StringEntity entity =new StringEntity(parameters, "UTF-8");
                entity.setContentEncoding("UTF-8");
                entity.setContentType("application/json");
                e.setEntity(entity);
                HttpResponse response = httpclient.execute(e);
                int statusCode = response.getStatusLine().getStatusCode();
                if(statusCode == 200) {
                    result = EntityUtils.toString(response.getEntity(), "UTF-8");
                }
            }
        } catch (Exception var15) {
            result = "{\"success\":false,\"message\":\"Sorry, you don\'t have the access！\"}";
            var15.printStackTrace();
        } finally {
            httpclient.getConnectionManager().shutdown();
        }

        if(result == null) {
            result = "{\"success\":false,\"message\":\"Sorry, you don\'t have the access！\"}";
        }
        return result;
    }
    //
    public static String sentPostByXml(String url,String parameters){
        String result = null;
        DefaultHttpClient httpclient = new DefaultHttpClient();

        try {
            HttpPost e = new HttpPost(url);
            if(e != null & parameters != null && !"".equals(parameters.trim())) {

                //e.setHeader("Content-Type", "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8");
                e.setHeader("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8");
                StringEntity entity =new StringEntity(parameters, "UTF-8");
                entity.setContentEncoding("UTF-8");
                entity.setContentType("text/html");
                e.setEntity(entity);
                HttpResponse response = httpclient.execute(e);
                int statusCode = response.getStatusLine().getStatusCode();
                if(statusCode == 200) {
                    result = EntityUtils.toString(response.getEntity(), "UTF-8");
                }
            }
        } catch (Exception var15) {
            result = "{\"success\":false,\"message\":\"Sorry, you don\'t have the access！\"}";
            var15.printStackTrace();
        } finally {
            httpclient.getConnectionManager().shutdown();
        }

        if(result == null) {
            result = "{\"success\":false,\"message\":\"Sorry, you don\'t have the access！\"}";
        }
        return result;
    }

}